she was excited about the technology. such an inspiring person. >> tammy, it turns out isn't the only quadriplegic. >> last time i tried to go camping is when i was a car accident. >> the first time i am apart from more than just a few hours. >> just being independent. i can get out and go farther. fi need something, i can text and use a phone. >> now, atammy takes pictures for the blog. >> what traveling with the family, she's using glass. >> you're not on the side lines anymore. >> in the game. in the game. >> wow. >> cool. >> great story. >> all right. we have a lot more head coming up next a doctor going from inventor to meantors just ahead >>> silicon valley knowns a cradle of revelation. now one inventor creating a center for innovation in a hospital. >> the first ones were made by me. >> it's been a half century since this catheter helped change the direction of vascular medicine. it's director remembers passion for fly fishing helped him assemble the first one. >> i used a fly tying technique to attach balloon to